use sea_orm::DatabaseConnection;
use tracing::info;
use utils::{response::AppResult, sea_orm_service::SeaOrmService};
use chrono;

use crate::rpc::pb::auth::*;

/// 认证服务
#[derive(Clone)]
pub struct AuthService {
    orm_service: SeaOrmService,
}

impl AuthService {
    /// 创建新的认证服务实例
    pub fn new(db: DatabaseConnection) -> Self {
        Self {
            orm_service: SeaOrmService::new(db),
        }
    }

    /// 获取验证码
    pub async fn get_captcha(&self, request: tonic::Request<GetCaptchaReq>) -> Result<tonic::Response<GetCaptchaResp>, tonic::Status> {
        let _req = request.into_inner();
        info!("获取验证码");
        
        let response = GetCaptchaResp {
            uuid: "123456".to_string(),
            captcha_img: "".to_string(),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 账号登录
    pub async fn login_by_account(&self, request: tonic::Request<LoginByAccountReq>) -> Result<tonic::Response<LoginByAccountResp>, tonic::Status> {
        let req = request.into_inner();
        info!("账号登录 - username: {}", req.username);
        
        if req.username.is_empty() {
            return Err(tonic::Status::invalid_argument("用户名不能为空"));
        }
        
        if req.password.is_empty() {
            return Err(tonic::Status::invalid_argument("密码不能为空"));
        }
        
        let login_model = LoginModel {
            id: "1".to_string(),
            username: req.username.clone(),
            nickname: format!("用户_{}", req.username),
            avatar: "https://example.com/avatar.jpg".to_string(),
            access_token: format!("access_token_{}", chrono::Utc::now().timestamp()),
            access_expire: "2024-12-31T23:59:59Z".to_string(),
            refresh_token: format!("refresh_token_{}", chrono::Utc::now().timestamp()),
        };
        
        let response = LoginByAccountResp {
            login_model: Some(login_model),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 验证Token
    pub async fn verify_token(&self, request: tonic::Request<VerifyTokenReq>) -> Result<tonic::Response<VerifyTokenResp>, tonic::Status> {
        let req = request.into_inner();
        info!("验证Token - {}", req.token);
        
        if req.token.is_empty() {
            return Err(tonic::Status::unauthenticated("访问令牌不能为空"));
        }
        
        let response = VerifyTokenResp {
            valid: true,
            user_id: 1,
            username: "mock_user".to_string(),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 加密账号登录
    pub async fn login_by_account_encrypt(&self, request: tonic::Request<LoginByAccountEncryptReq>) -> Result<tonic::Response<LoginByAccountEncryptResp>, tonic::Status> {
        let req = request.into_inner();
        info!("处理加密账号登录请求: {}", req.content);
        
        let login_model = LoginModel {
            id: "1".to_string(),
            username: req.content.clone(),
            nickname: format!("用户_{}", req.content),
            avatar: "https://example.com/avatar.jpg".to_string(),
            access_token: format!("access_token_{}", chrono::Utc::now().timestamp()),
            access_expire: "2024-12-31T23:59:59Z".to_string(),
            refresh_token: format!("refresh_token_{}", chrono::Utc::now().timestamp()),
        };
        
        let response = LoginByAccountEncryptResp {
            login_model: Some(login_model),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 账号注册
    pub async fn register_by_account(&self, request: tonic::Request<RegisterByAccountReq>) -> Result<tonic::Response<RegisterByAccountResp>, tonic::Status> {
        let req = request.into_inner();
        info!("处理账号注册请求: {}", req.username);
        
        if req.username.is_empty() {
            return Err(tonic::Status::invalid_argument("用户名不能为空"));
        }
        
        let response = RegisterByAccountResp {
            user_id: 1001,
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 手机号登录
    pub async fn login_by_mobile(&self, request: tonic::Request<LoginByMobileReq>) -> Result<tonic::Response<LoginByMobileResp>, tonic::Status> {
        let req = request.into_inner();
        info!("处理手机号登录请求: {}", req.mobile);
        
        let login_model = LoginModel {
            id: "1".to_string(),
            username: req.mobile.clone(),
            nickname: format!("手机用户_{}", req.mobile),
            avatar: "https://example.com/avatar.jpg".to_string(),
            access_token: format!("access_token_{}", chrono::Utc::now().timestamp()),
            access_expire: "2024-12-31T23:59:59Z".to_string(),
            refresh_token: format!("refresh_token_{}", chrono::Utc::now().timestamp()),
        };
        
        let response = LoginByMobileResp {
            login_model: Some(login_model),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 邮箱登录
    pub async fn login_by_email(&self, request: tonic::Request<LoginByEmailReq>) -> Result<tonic::Response<LoginByEmailResp>, tonic::Status> {
        let req = request.into_inner();
        info!("处理邮箱登录请求: {}", req.email);
        
        let login_model = LoginModel {
            id: "1".to_string(),
            username: req.email.clone(),
            nickname: format!("邮箱用户_{}", req.email),
            avatar: "https://example.com/avatar.jpg".to_string(),
            access_token: format!("access_token_{}", chrono::Utc::now().timestamp()),
            access_expire: "2024-12-31T23:59:59Z".to_string(),
            refresh_token: format!("refresh_token_{}", chrono::Utc::now().timestamp()),
        };
        
        let response = LoginByEmailResp {
            login_model: Some(login_model),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 二维码登录
    pub async fn login_by_code2_session(&self, request: tonic::Request<LoginByCode2SessionReq>) -> Result<tonic::Response<LoginByCode2SessionResp>, tonic::Status> {
        let req = request.into_inner();
        info!("处理二维码登录请求: {}", req.code);
        
        let response = LoginByCode2SessionResp {
            encrypt_key: "mock_encrypt_key".to_string(),
            is_registered: "true".to_string(),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 小程序登录
    pub async fn login_by_mini_program(&self, request: tonic::Request<LoginByMiniProgramReq>) -> Result<tonic::Response<LoginByMiniProgramResp>, tonic::Status> {
        let req = request.into_inner();
        info!("处理小程序登录请求: {}", req.code);
        
        let login_model = LoginModel {
            id: "1".to_string(),
            username: format!("mini_user_{}", req.code),
            nickname: format!("小程序用户_{}", req.code),
            avatar: "https://example.com/avatar.jpg".to_string(),
            access_token: format!("access_token_{}", chrono::Utc::now().timestamp()),
            access_expire: "2024-12-31T23:59:59Z".to_string(),
            refresh_token: format!("refresh_token_{}", chrono::Utc::now().timestamp()),
        };
        
        let response = LoginByMiniProgramResp {
            login_model: Some(login_model),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 刷新Token
    pub async fn refresh_token(&self, request: tonic::Request<RefreshTokenReq>) -> Result<tonic::Response<RefreshTokenResp>, tonic::Status> {
        let req = request.into_inner();
        info!("刷新Token: {}", req.refresh_token);
        
        let response = RefreshTokenResp {
            access_token: format!("new_access_token_{}", chrono::Utc::now().timestamp()),
            access_expire: "2024-12-31T23:59:59Z".to_string(),
            refresh_token: format!("new_refresh_token_{}", chrono::Utc::now().timestamp()),
        };
        
        Ok(tonic::Response::new(response))
    }

    /// 退出登录
    pub async fn logout(&self, request: tonic::Request<LogoutReq>) -> Result<tonic::Response<LogoutResp>, tonic::Status> {
        let _req = request.into_inner();
        info!("处理退出登录请求");
        
        let response = LogoutResp {};
        Ok(tonic::Response::new(response))
    }

    /// 注销账号
    pub async fn unregister(&self, request: tonic::Request<UnregisterReq>) -> Result<tonic::Response<UnregisterResp>, tonic::Status> {
        let _req = request.into_inner();
        info!("处理注销账号请求");
        
        let response = UnregisterResp {};
        Ok(tonic::Response::new(response))
    }
}